Holinic

First of all, make sure that you follow each step of the porosity test properly with the cleaning part and making sure your hair doesn't 'sit' on...

We always encourage our students to tweak the formula of their homemade shampoo to fit their hair and scalp unique needs! Regarding this specific recipe test...

Humectants like aloe vera have the 'drying' or 'over-humidifying' effect whether they are used alone or in a product blend. Of course, the in...

There may be several reasons causing your scalp to itch after using your homemade shampoo. Find below the most common cases and our suggestion to improve: **...

You'll know if your product is good to use as long as the smell, texture, and color stay the same. If you notice mould or a strange smell for example it ...

No it's perfectly normal as the homemade shampoo is a gentle shampoo :-) The quantity of foam that your shampoo produces is directly linked to the streng...

It is important to store the shampoo in the fridge, it will last for 7 days! You can also preserve your shampoo by adding Potassium Sorbate that is a mild ...

Here are some alternatives to the chamomile extract of shampoo B: Green Tea Extract: Green tea extract can be made by steeping green tea bags or loose green...

Here are some alternatives to the chamomile extract of shampoo B: Green Tea Extract: Green tea extract can be made by steeping green tea bags or loose green ...

To test the pH of a shampoo bar accurately, indeed, dissolving a small part of the bar in water and then using a pH test strip can give you a general idea. H...